20101122000001 has 32 divisors (see below), whose sum is σ = 24213430112256. Its totient is φ = 16314174360000.

The previous prime is 20101121999989. The next prime is 20101122000017. The reversal of 20101122000001 is 10000022110102.

It is a cyclic number.

It is not a de Polignac number, because 20101122000001 - 2¹³ = 20101121991809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101122000031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88199686 + ... + 88427296.

It is an arithmetic number, because the mean of its divisors is an integer number (756669691008).

Almost surely, 2^{20101122000001} is an apocalyptic number.

It is an amenable number.

20101122000001 is a deficient number, since it is larger than the sum of its proper divisors (4112308112255).

20101122000001 is a wasteful number, since it uses less digits than its factorization.

20101122000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233173.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20101122000001 its reverse (10000022110102), we get a palindrome (30101144110103).

The spelling of 20101122000001 in words is "twenty trillion, one hundred one billion, one hundred twenty-two million, one", and thus it is an aban number.